/*
 ***********************************************************************************************************************
 *
 *  Copyright (c) 2018-2021 Advanced Micro Devices, Inc. All Rights Reserved.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 *
 **********************************************************************************************************************/
#pragma once

#if PAL_BUILD_NULL_DEVICE

#include "core/fence.h"
#include "ndDevice.h"
#include "ndQueue.h"

using namespace Util;

namespace Pal
{
namespace NullDevice
{

// =====================================================================================================================
// Null device flavor of the Fence class.
class Fence final : public Pal::Fence
{
public:
    Fence() {}
    virtual ~Fence() {}

    virtual Result Init(
        const FenceCreateInfo& createInfo) override;

    // NOTE: Part of the public IFence interface.
    virtual Result GetStatus() const override { return Result::Success; }

    virtual Result OpenHandle(const FenceOpenInfo& openInfo) override { return Result::Unsupported; }

    virtual OsExternalHandle ExportExternalHandle(
        const FenceExportInfo& exportInfo) const override;

    virtual void AssociateWithContext(Pal::SubmissionContext* pContext) override {}

    virtual Result Reset() override;

    virtual Result WaitForFences(
        const Pal::Device&      device,
        uint32                  fenceCount,
        const Pal::Fence*const* ppFenceList,
        bool                    waitAll,
        uint64                  timeout) const override;

private:

    PAL_DISALLOW_COPY_AND_ASSIGN(Fence);
};

} //NullDevice
} // Pal

#endif
